condition mean min max 1 h after light 9.818394036 8.681466402 10.95532167 3 h after light 11.435348073333333 10.05285807 14.14414619 5 h after light 17.273779903333335 15.14097339 18.36944241 7 h after light 16.604974616666667 14.05995575 19.0794724 9 h after light 17.92607011 12.40426389 22.86492376 11 h after light 19.031801736666665 17.70672582 20.49872507 1 h after dark 20.01829063 15.84910131 24.75275173 3 h after dark 24.08042701 17.62514702 28.76931359 5 h after dark 19.656780283333333 16.2682934 22.47280906 7 h after dark 19.376513773333333 17.19250784 21.26332345 9 h after dark 20.924742433333332 17.76039879 23.75121548 11 h after dark 19.553261433333333 16.95899638 21.23881224